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Common Weakness Enumeration

CWE-94

Allowed-with-Review

Improper Control of Generation of Code ('Code Injection')

Abstraction: Base · Status: Draft

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

8978 vulnerabilities reference this CWE, most recent first.

CVE-2026-57624 (GCVE-0-2026-57624)

Vulnerability from cvelistv5 – Published: 2026-07-02 11:15 – Updated: 2026-07-02 19:39
VLAI
Title
WordPress Blocksy Companion Pro plugin <= 2.1.46 - Remote Code Execution (RCE) vulnerability
Summary
Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-02 19:37 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
Creative Themes Blocksy Companion Pro Affected: n/a , ≤ 2.1.46 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-57572 (GCVE-0-2026-57572)

Vulnerability from cvelistv5 – Published: 2026-07-06 20:16 – Updated: 2026-07-08 19:42
VLAI
Title
Crawl4AI: Unauthenticated RCE via Chromium launch-argument injection in browser_config.extra_args
Summary
Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server accepted request-supplied browser_config.extra_args, which flowed into Chromium's launch arguments. An attacker could inject Chromium switches that replace a child-process launch command together with --no-zygote, causing Chromium to fork or exec an attacker-controlled command as the container's runtime user. The Docker API is unauthenticated by default, so a single request yields arbitrary command execution. This issue is fixed in version 0.9.0.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 17:13 UTC
CWE
  • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
unclecode crawl4ai Affected: < 0.9.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-57456 (GCVE-0-2026-57456)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:16 – Updated: 2026-06-26 03:55
VLAI
Title
Vim: Arbitrary Code Execution via Python Omni-Completion Docstrings
Summary
Vim is an open source, command line text editor. Prior to 9.2.0699, Vim's Python omni-completion (runtime/autoload/python3complete.vim and the legacy pythoncomplete.vim) executes reconstructed function and class definitions from the current buffer with exec() as part of populating the completion dictionary. When reconstructing that source, each scope's docstring is inserted verbatim between triple quotes with no escaping, so a hostile buffer can break out of the triple-quoted literal and execute attacker-controlled Python during omni-completion. This vulnerability is fixed in 9.2.0699.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-25 00:00 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Impacted products
Vendor Product Version
vim vim Affected: < 9.2.0699
Create a notification for this product.
Show details on NVD website

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CVE-2026-57315 (GCVE-0-2026-57315)

Vulnerability from cvelistv5 – Published: 2026-06-26 14:52 – Updated: 2026-06-26 20:17
VLAI
Title
WordPress Blocksy Companion Pro plugin <= 2.1.45 - Remote Code Execution (RCE) vulnerability
Summary
Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.45 versions.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 20:12 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
Creative Themes Blocksy Companion Pro Affected: n/a , ≤ 2.1.45 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-57170 (GCVE-0-2026-57170)

Vulnerability from cvelistv5 – Published: 2026-08-25 23:18 – Updated: 2026-08-28 22:41
VLAI
Title
Trestle SSTI in Jinja2 include tags allows arbitrary code execution (Incomplete fix of CVE-2026-46439)
Summary
Compliance-trestle (Trestle) is a Python SDK and command-line tool for managing OSCAL compliance documents. In versions prior to 3.12.4 and 4.0.0 through 4.0.3, the custom Jinja2 include tags mdsection_include and md_clean_include re-parse the content of an included Markdown file as Jinja2 template code in a non-sandboxed environment, allowing server-side template injection that can lead to arbitrary code execution. The MDSectionInclude and MDCleanInclude tags in Trestle/core/jinja/tags.py pass included file content to Parser(self.environment, ...).parse(), splicing it into the host template's compilation, and the environment is a plain jinja2.Environment rather than a SandboxedEnvironment, so any expressions in the file are evaluated with full access to the usual SSTI gadget chain. Because Trestle's Markdown writers emit OSCAL prose and component-description fields verbatim, applying delimiter neutralization only to parameter tables, attacker-controlled OSCAL data such as a control statement, part prose, or component description containing Jinja2 syntax flows into an included Markdown file and is executed when the include tag re-parses it. This issue is fixed in version 4.1.0.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 22:41 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
  • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Impacted products
Vendor Product Version
oscal-compass compliance-trestle Affected: < 3.12.4
Affected: >= 4.0.0, < 4.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-56747 (GCVE-0-2026-56747)

Vulnerability from cvelistv5 – Published: 2026-07-27 19:22 – Updated: 2026-07-27 20:23
VLAI
Title
Code Injection in JSON Pointer Processing Component in Cribl Stream
Summary
Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 20:23 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
Cribl Cribl Stream Affected: 0 , < 4.18.2 (semver)
Create a notification for this product.
Date Public
2026-07-27 00:00
Show details on NVD website

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CVE-2026-56703 (GCVE-0-2026-56703)

Vulnerability from cvelistv5 – Published: 2026-08-25 01:30 – Updated: 2026-08-25 18:13
VLAI
Title
Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO
Summary
Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 18:12 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
vrana adminer Affected: 0 , < 5.4.3 (semver)
Unaffected: 5.4.3 (semver)
    cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-09 00:00
Show details on NVD website

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CVE-2026-56446 (GCVE-0-2026-56446)

Vulnerability from cvelistv5 – Published: 2026-06-22 12:31 – Updated: 2026-06-23 15:07
VLAI
Title
Authenticated Remote Code Execution via Arbitrary NDJSON Error Log Path in MISP
Summary
MISP allowed a site administrator to configure an arbitrary filesystem path for the NDJSON error log used by JsonLogTool. Because log entries can include attacker-controlled content, an authenticated attacker with site administrator privileges could direct log output to a PHP file in a web-accessible directory and inject PHP code through logged data. Accessing the resulting file could lead to remote code execution with the privileges of the web server process. The fix restricts log destinations to existing directories beneath APP/tmp/logs or /var/log, requires absolute paths, rejects stream wrappers and traversal-related input, and limits filenames to .log or .ndjson extensions while disallowing executable extension segments.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-23 14:46 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
misp misp Affected: 0 , ≤ 2.5.41 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-56382 (GCVE-0-2026-56382)

Vulnerability from cvelistv5 – Published: 2026-06-21 13:26 – Updated: 2026-06-22 10:30
VLAI
Title
Craft CMS - Remote Code Execution via Missing Config Sanitization in FieldsController
Summary
Craft CMS (composer package craftcms/cms) versions >= 5.5.0 and <= 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview() method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout() without calling Component::cleanseConfig(). An authenticated admin user can inject Yii2 event handlers (e.g., 'on init' keys) via the fieldLayoutConfig parameter to execute arbitrary PHP code and disclose sensitive information (such as environment variables containing database credentials and CRAFT_SECURITY_KEY). The issue is fixed in version 5.9.14.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 10:30 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
References
Impacted products
Vendor Product Version
craftcms cms Affected: 5.5.0 , < 5.9.14 (semver)
Unaffected: 5.9.14 (semver)
    cpe:2.3:a:juzaweb:cms:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-02 00:00
Credits
Show details on NVD website

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CVE-2026-56264 (GCVE-0-2026-56264)

Vulnerability from cvelistv5 – Published: 2026-06-30 22:08 – Updated: 2026-07-14 21:34
VLAI
Title
Crawl4AI - Arbitrary JavaScript Execution via /execute_js Endpoint
Summary
Crawl4AI before 0.8.7 contains an arbitrary JavaScript execution vulnerability in the Docker API server's /execute_js endpoint, which accepts and executes arbitrary user-supplied JavaScript in the server's browser context with --disable-web-security enabled. An attacker can execute arbitrary JavaScript and, combined with the browser's relaxed security settings, perform server-side request forgery against internal services.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-01 14:59 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Impacted products
Vendor Product Version
Crawl4AI Crawl4AI Affected: 0 , < 0.8.7 (semver)
Unaffected: 0.8.7 (semver)
    cpe:2.3:a:kidocode:crawl4ai:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-16 00:00
Show details on NVD website

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Mitigation
Architecture and Design

Strategy: Refactoring

Refactor your program so that you do not have to dynamically generate code.

Mitigation
Architecture and Design
  • Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
  • Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
  • This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
  • Be careful to avoid CWE-243 and other weaknesses related to jails.
Mitigation MIT-5
Implementation

Strategy: Input Validation

  • Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
Mitigation
Testing

Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.

Mitigation MIT-32
Operation

Strategy: Compilation or Build Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation MIT-32
Operation

Strategy: Environment Hardening

Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).

Mitigation
Implementation

For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].

CAPEC-242: Code Injection

An adversary exploits a weakness in input validation on the target to inject new code into that which is currently executing. This differs from code inclusion in that code inclusion involves the addition or replacement of a reference to a code file, which is subsequently loaded by the target and used as part of the code of some application.

CAPEC-35: Leverage Executable Code in Non-Executable Files

An attack of this type exploits a system's trust in configuration and resource files. When the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high.

CAPEC-77: Manipulating User-Controlled Variables

This attack targets user controlled variables (DEBUG=1, PHP Globals, and So Forth). An adversary can override variables leveraging user-supplied, untrusted query variables directly used on the application server without any data sanitization. In extreme cases, the adversary can change variables controlling the business logic of the application. For instance, in languages like PHP, a number of poorly set default configurations may allow the user to override variables.